/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * @file           : main.c
  * @brief          : Main program body
  ******************************************************************************
  * @attention
  *
  * Copyright (c) 2024 STMicroelectronics.
  * All rights reserved.
  *
  * This software is licensed under terms that can be found in the LICENSE file
  * in the root directory of this software component.
  * If no LICENSE file comes with this software, it is provided AS-IS.
  *
  ******************************************************************************
  */
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "dma.h"
#include "usart.h"
#include "gpio.h"

/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#include "stdio.h"
#include "string.h"
/* USER CODE END Includes */

/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */

/* USER CODE END PTD */

/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */
#define RX_BUF_SIZE 3072  // 接收缓冲区大小，按需调整
uint8_t usart1_rx_buf[RX_BUF_SIZE];  // 串口1接收缓冲
uint8_t usart2_rx_buf[RX_BUF_SIZE];  // 串口2接收缓冲
uint8_t usart3_rx_buf[RX_BUF_SIZE];  // 串口3接收缓冲

uint16_t usart2_lenth = 0;
uint32_t usart2_total = 0;
uint8_t usart2_rx_buf_temp[4096];  // 串口2接收缓冲

uint8_t uart2_flag = 0;
uint8_t uart3_flag = 0;
char targetStr_OUT[50];
char fix = 0;
char Latency[4];
char battery[3];
/* USER CODE END PD */

/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */

/* USER CODE END PM */

/* Private variables ---------------------------------------------------------*/

/* USER CODE BEGIN PV */

/* USER CODE END PV */

/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
/* USER CODE BEGIN PFP */

/* USER CODE END PFP */

/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */
int fputc(int ch, FILE *f)
{
    HAL_UART_Transmit(&huart1, (uint8_t *)&ch, 1, 0xFFFF);
    return ch;
}

void HAL_UARTEx_RxEventCallback(UART_HandleTypeDef * huart, uint16_t Size)
{
		if(huart->Instance == USART1){
				if(Size>RX_BUF_SIZE){
						printf("USART1 Size > maxSize\r\n");
						memset(usart1_rx_buf, 0, RX_BUF_SIZE);							   // 清除接收缓存
						HAL_UARTEx_ReceiveToIdle_DMA(&huart1, usart1_rx_buf, RX_BUF_SIZE); // 接收完毕后重启
						__HAL_DMA_DISABLE_IT(huart1.hdmarx, DMA_IT_HT);		   // 手动关闭DMA_IT_HT中断
				}else{
						printf("USART1 Size = %u\r\n",Size);
//						HAL_UART_Transmit(&huart1, usart1_rx_buf, Size, 0xffff);         // 将接收到的数据再发出
						memset(usart1_rx_buf, 0, RX_BUF_SIZE);							   // 清除接收缓存
						HAL_UARTEx_ReceiveToIdle_DMA(&huart1, usart1_rx_buf, RX_BUF_SIZE); // 接收完毕后重启
						__HAL_DMA_DISABLE_IT(huart1.hdmarx, DMA_IT_HT);		   // 手动关闭DMA_IT_HT中断
				}
    }else if(huart->Instance == USART2){

				uart2_flag = 1;
				memcpy(usart2_rx_buf_temp,usart2_rx_buf,Size);
				usart2_lenth = Size;

//				memset(usart2_rx_buf, 0, RX_BUF_SIZE);							   // 清除接收缓存
				HAL_UARTEx_ReceiveToIdle_DMA(&huart2, (uint8_t*)usart2_rx_buf, RX_BUF_SIZE); // 接收完毕后重启
				__HAL_DMA_DISABLE_IT(huart2.hdmarx, DMA_IT_HT);		   // 手动关闭DMA_IT_HT中断
		}else if(huart->Instance == USART3){
//				HAL_UART_Transmit(&huart1, usart3_rx_buf, Size, 0xffff);         // 将接收到的数据再发出
				fix = usart3_rx_buf[50];
				memcpy(Latency,&usart3_rx_buf[79],3);

				uart3_flag = 1;
				
				memset(usart3_rx_buf, 0, RX_BUF_SIZE);							   // 清除接收缓存
				HAL_UARTEx_ReceiveToIdle_DMA(&huart3, usart3_rx_buf, RX_BUF_SIZE); // 接收完毕后重启
		}
}

void HAL_UART_ErrorCallback(UART_HandleTypeDef * huart)
{
    if(huart->Instance == USART1){
				printf("USART1  error\r\n");
				HAL_UARTEx_ReceiveToIdle_DMA(&huart1, usart1_rx_buf, RX_BUF_SIZE); // 接收完毕后重启
				__HAL_DMA_DISABLE_IT(huart1.hdmarx, DMA_IT_HT);		   // 手动关闭DMA_IT_HT中断
				memset(usart1_rx_buf, 0, RX_BUF_SIZE); 
    }else if(huart->Instance == USART2){
				printf("USART2 error\r\n");
				HAL_UARTEx_ReceiveToIdle_DMA(&huart2, usart2_rx_buf, RX_BUF_SIZE); // 接收完毕后重启
				__HAL_DMA_DISABLE_IT(huart2.hdmarx, DMA_IT_HT);		   // 手动关闭DMA_IT_HT中断
				memset(usart2_rx_buf, 0, RX_BUF_SIZE); 
    }else if(huart->Instance == USART3){
				printf("USART3 error\r\n");
				HAL_UARTEx_ReceiveToIdle_DMA(&huart3, usart3_rx_buf, RX_BUF_SIZE); // 接收完毕后重启
				__HAL_DMA_DISABLE_IT(huart3.hdmarx, DMA_IT_HT);		   // 手动关闭DMA_IT_HT中断
				memset(usart3_rx_buf, 0, RX_BUF_SIZE); 
    }
}

/* USER CODE END 0 */

/**
  * @brief  The application entry point.
  * @retval int
  */
int main(void)
{

  /* USER CODE BEGIN 1 */

  /* USER CODE END 1 */

  /* MCU Configuration--------------------------------------------------------*/

  /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
  HAL_Init();

  /* USER CODE BEGIN Init */

  /* USER CODE END Init */

  /* Configure the system clock */
  SystemClock_Config();

  /* USER CODE BEGIN SysInit */

  /* USER CODE END SysInit */

  /* Initialize all configured peripherals */
  MX_GPIO_Init();
  MX_DMA_Init();
  MX_USART1_UART_Init();
  MX_USART2_UART_Init();
  MX_USART3_UART_Init();
  /* USER CODE BEGIN 2 */
//	  HAL_UARTEx_ReceiveToIdle_DMA(&huart1, usart1_rx_buf, RX_BUF_SIZE); // 接收完毕后重启
//	__HAL_DMA_DISABLE_IT(huart1.hdmarx, DMA_IT_HT);		   // 手动关闭DMA_IT_HT中断
	  // 启动串口2的DMA接收
  HAL_UARTEx_ReceiveToIdle_DMA(&huart2, (uint8_t*)usart2_rx_buf, RX_BUF_SIZE); // 接收完毕后重启
	__HAL_DMA_DISABLE_IT(huart2.hdmarx, DMA_IT_HT);		   // 手动关闭DMA_IT_HT中断
  // 启动串口3的DMA接收
  HAL_UARTEx_ReceiveToIdle_DMA(&huart3, usart3_rx_buf, RX_BUF_SIZE); // 接收完毕后重启
	__HAL_DMA_DISABLE_IT(huart3.hdmarx, DMA_IT_HT);		   // 手动关闭DMA_IT_HT中断
  /* USER CODE END 2 */

  /* Infinite loop */
  /* USER CODE BEGIN WHILE */
  while (1)
  {
			if(uart2_flag){
					HAL_UART_Transmit(&huart3, (uint8_t*)usart2_rx_buf_temp, usart2_lenth, 0xffff);
//					HAL_UART_Transmit(&huart1, (uint8_t*)usart2_rx_buf_temp+usart2_lenth-38, 38, 0xffff);
					memcpy(targetStr_OUT,(uint8_t*)usart2_rx_buf_temp+usart2_lenth-38,38);
					usart2_lenth = 0;
					uart2_flag = 0;
			}
			if(uart3_flag){
					printf("fix = %c,Latency = %s\r\n",fix,Latency);
					printf("%s\r\n",targetStr_OUT);
					fix = 0;
				  Latency[0] = '0';
					uart3_flag = 0;
			}
//			printf("hello\r\n");
//			HAL_Delay(1000);
    /* USER CODE END WHILE */

    /* USER CODE BEGIN 3 */
  }
  /* USER CODE END 3 */
}

/**
  * @brief System Clock Configuration
  * @retval None
  */
void SystemClock_Config(void)
{
  RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};

  /** Initializes the RCC Oscillators according to the specified parameters
  * in the RCC_OscInitTypeDef structure.
  */
  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
  RCC_OscInitStruct.HSEState = RCC_HSE_ON;
  RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1;
  RCC_OscInitStruct.HSIState = RCC_HSI_ON;
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
  RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9;
  if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  {
    Error_Handler();
  }

  /** Initializes the CPU, AHB and APB buses clocks
  */
  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
                              |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;

  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)
  {
    Error_Handler();
  }
}

/* USER CODE BEGIN 4 */

/* USER CODE END 4 */

/**
  * @brief  This function is executed in case of error occurrence.
  * @retval None
  */
void Error_Handler(void)
{
  /* USER CODE BEGIN Error_Handler_Debug */
  /* User can add his own implementation to report the HAL error return state */
  __disable_irq();
  while (1)
  {
  }
  /* USER CODE END Error_Handler_Debug */
}

#ifdef  USE_FULL_ASSERT
/**
  * @brief  Reports the name of the source file and the source line number
  *         where the assert_param error has occurred.
  * @param  file: pointer to the source file name
  * @param  line: assert_param error line source number
  * @retval None
  */
void assert_failed(uint8_t *file, uint32_t line)
{
  /* USER CODE BEGIN 6 */
  /* User can add his own implementation to report the file name and line number,
     ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
  /* USER CODE END 6 */
}
#endif /* USE_FULL_ASSERT */
